Do not create a RouteActionHandler object for each route

Do not create a RouteActionHandler object for each route

This is not required and doesn't allow us to be properly lazy. On top of
it this doesnt allow us to cache the routes (since closures/objects
can't be cached).

This is the first small step into cleaning up the routing we have

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>